Home / 5,519.66-7,617.18-3,001.79

Finding the Fourth Proportional to 5,519.66, 7,617.18 and 3,001.79

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Solution

The fourth proportional to 5,519.66, 7,617.18 and 3,001.79 is: 4,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.66 : 7,617.18 = 3,001.79 : x
  2. Step 2: Convert to fraction form
    5,519.66/7,617.18 = 3,001.79/x
  3. Step 3: Cross multiply
    5,519.66x = 7,617.18 × 3,001.79
  4. Step 4: Simplify right side
    5,519.66x = 22,865,216.52
  5. Step 5: Solve for x
    x = 22,865,216.52/5,519.66
  6. Step 6: Final answer
    x = 4,142.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.